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Finding the Fourth Proportional to 5,169.40, 7,754.10 and 4,967.80

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Solution

The fourth proportional to 5,169.40, 7,754.10 and 4,967.80 is: 7,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.40 : 7,754.10 = 4,967.80 : x
  2. Step 2: Convert to fraction form
    5,169.40/7,754.10 = 4,967.80/x
  3. Step 3: Cross multiply
    5,169.40x = 7,754.10 × 4,967.80
  4. Step 4: Simplify right side
    5,169.40x = 38,520,817.98
  5. Step 5: Solve for x
    x = 38,520,817.98/5,169.40
  6. Step 6: Final answer
    x = 7,451.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.